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3 years ago

1) Jodi liked to collect stamps. On 3 different days she bought 6 stomps. Then she

Mathematics

1 answer:

mr Goodwill [35]3 years ago

6 0

Answer:

Step-by-step explanation:

6-4+2*5=12

12/3

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There are 7 brothers and 6 sisters. If all siblings sat in a row and the girls requested to be seated next to one another, how m

SashulF [63]

<h3>Answer: 29,030,400</h3>

==============================================================

Explanation:

Let's say the mother will temporarily take the place of all the sisters. Wherever the mother sits will represent the block of girls.

Taking out the 6 sisters and replacing them with the mother leads to 7+1 = 8 people in a line.

There are 8! = 8*7*6*5*4*3*2*1 = 40,320 different ways to arrange 8 people.

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Again, the mother's position is where the sisters block will go. So let's say the mother was in seat #2. This would mean one brother would take seat #1, and all of the sisters would take the next six seats, until we reach seat #7 is when another brother would take the next seat.

Within any given permutation (the 40320 mentioned), there are 6! = 6*5*4*3*2*1 = 720 different ways to arrange just the girls in that girls block/group.

All together, there are 40320*720 = 29,030,400 different ways to arrange the 13 siblings where all the girls are seated together.

7 0

4 years ago

AB¯¯¯¯¯ has end points at A (0, 10) and B (0, 0) . A transformation is performed on AB¯¯¯¯¯ and the image is A'B'¯¯¯¯¯¯¯ with en

12345 [234]

I think it is rotated at point a 180 degrees.

5 0

3 years ago

Solve for y, show step by step.

Monica [59]

Answer:

Step-by-step explanation:

y-2 =4x -4

y=4x-2

3 0

3 years ago

Two different ways to find the difference for 12-3

Aleksandr-060686 [28]

You can either ask "How much is left when you take 3 away from 12?", or you can ask "How far apart are the numbers 12 and 3 on the number line?"

Another way you could think about it is "what number do I have to add to 3 to get to 12?"

6 0

3 years ago

Read 2 more answers

What is the interquartile range of the data?<br><br> I think the answer is B.

zhenek [66]

Answer:

No, correct option is (A) 117.5

Step-by-step explanation:

Interquartile range (IQR) measures the skewness using 50% of the data. It is the difference between the third quartile and the first quartile. i.e.

IQR = Q₃ - Q₁

For finding the Interquartile Range of the data:

100, 120, 130, 188, 196, 220, 265, 300

Divide the data into two parts:

(100, 120, 130, 188) (196, 220, 265, 300)

2. Now finding the medians of both halves of the data that will be our First and Third Quartile of data.

So, Q₁ = 125 and Q₃ = 242.5

Now, using IQR = Q₃ - Q₁

= 242.5 - 125 = 117.5

Hence, Correct option is Option (A).

4 0

3 years ago